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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    
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<script>
    function getSum(){
        var English = 90,arith = 84,Reflections = 78,web = 100,num = 0
        num = English + arith + Reflections + web;
        return num;
    }
    document.write(getSum())
</script>
</html>